SUMMARY: We, the U.S. Fish and Wildlife Service (Service), designate revised critical habitat for the California red-legged frog (Rana draytonii) under the Endangered Species Act of 1973, as amended (Act). In total, approximately 1,636,609 acres (ac) (662,312 hectares (ha)) of critical habitat in 27 California counties fall within the boundaries of the final revised critical habitat designation.